qmc-0.92b3 - Quine-McClusky process simplification tool

qmls-0.2 - Quine-McCluskey Logic Simplifier

bit_alloc bit_clear bit_decl bit_ffs bit_nclear bit_nset bit_set bitstr_size bit_test (3) - bit-string manipulation macros {oss}

p5-Math-Logic-1.19 - Perl module providing pure 2, 3 or multi-value logic

p5-Bit-ShiftReg-2.0 - Perl module implementing various bit shifting operations

Bitfiles.C - Read/write bit files {oss}

Bit-level operations {oss}

Bitops.H,Bitops.How - Prototypes, plus macros to set, clear, and test bits {oss}

Bitarray.C - Bit array functions {oss}

Bitcnt_1.C - Count bits in a number (fast, clever) {oss}

Bitcnt_2.C - Count bits in a number (fascinating) {oss}

Bitcnt_3.C - Count bits in a number (table look-up) {oss}

Bitcnt_4.C - Count bits in a number (recursive table look-up) {oss}

Bitcnts.C - Benchmark to test BITCNT_x.C functions {oss}

Bit::Vector - Provides an efficient implementation of arbitrarily large bit vectors and sets {GPL}

String::BitCount - Count the number of 1 ("on") bits in a string. [Perl] {oss}

Bit::ShiftReg - Lets you rotate and shift-with-carry all C integer types. [Perl] {oss}

Libraries and Functions

(The following links to subjects at this site retain your personalized selections.)

There are 8-bit string parity functions listed at NUL Terminated String processing - NUL terminated string operations (strcpy, strlen, etc)

Up to Math - Gateway topic to math and numeric processing routines.